[ANSS-netops] AGU poster

[Nathan L Edwards]

I'd be glad to make it available electronically.  

Also, as far as power-over-ethernet goes, if you are trying to get it to work at a voltage lower than what it calls for, like we do, I would try to keep the ethernet cable as short as possible.  The 24VDC in manufacturer's specs, I think, is more because of voltage drop over tiny cat5 wires rather than a limitation of the power supply in the Canopy itself.  While the Canopy is designed for outdoor mounting right next to the antenna, we put them right next to the datalogger and run a length LMR-400 out to the antenna to get that ethernet run as short as possible.

Nathan Edwards
Development Technician
Nevada Seismological Laboratory
University of Nevada Reno
Reno, NV 89557-0174
o:  775-784-1106
m:  775-303-5899




-----Original Message-----
From: Mark Meremonte [mailto:meremonte at usgs.gov]
Sent: Tue 9/16/2008 6:44 AM
To: Nathan L Edwards; anss-netops at geohazards.usgs.gov
Subject: Re: [ANSS-netops] AGU poster
 
Nathan,

Sounds good.  Not sure if I will be at AGU this year yet.  Will it be possible to get a hold a digital file of the poster after AGU?  

As I mentioned in an earlier email I have been working with a commercial company to install a Canopy 5700BH system for a permanent station in McCall, ID.  Still trying to find out if that radio will power from a 12VDC (it does from a 24VDC) source and its power usage.  They have a dongle for the PoE interface I discovered.  So the need to strip the Ethernet cable to introduce power is not necessary as we discussed.  Unable to use an 5700SM model because the AP's sector antenna points about 30 deg away from my line-of-site; hence to use the BH model pair for last mile.

Thanks,
Mark

At 03:08 PM 9/15/2008, Nathan L Edwards wrote:


	Our lab has received a fair number of inquiries from other research institutions regarding our experience with IP radio systems we use and how we use them, in particular the Motorola Canopy point-to-multipoint radios.  Due to the level of interest, we will be presenting a poster at the San Francisco AGU conference in December.  I thought members of this list might be interested.  The title is "Implementation of IP Telemetry in Support of Portable Deployments for the Study of Earthquake Sequences."  Although this focuses on portable systems, the technology is, of course, adaptable to permanent installations.  I will pass along the date when I have one.
	
	Cheers,
	Nathan Edwards
	Development Technician
	Nevada Seismological Laboratory
	University of Nevada Reno
	Reno, NV 89557-0174
	o:  775-784-1106
	m:  775-303-5899
	
	
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